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(b) Enneking/MSTS [11] staging criteria
| Tumor grade | |
|---|---|
| Low grade | 1 |
| High grade | 2 |
|
| |
| Location | |
|
| |
| Intracompartmental | a |
| Extracompartmental | b |
|
| |
| Stage | Description |
|
| |
| IA | Low grade, intracompartmental |
| IB | Low grade, extracompartmental |
| IIA | High grade, intracompartmental |
| IIB | High grade, extracompartmental |
| III | Metastatic (any grade and location) |
